This paper examines the relation between information differences across investors (i.e., information asymmetry) and the cost of capital, and establishes that with perfect competition information asymmetry makes no difference. Instead, a firm's cost of capital is governed solely by the average...

We investigate the association between voluntary disclosure and the risk-related discount investors apply to price. First, we study the association between (endogenous) disclosure choice and the discount in price induced by changes in the underlying model parameters: this is akin to an empirical...

This paper examines when information asymmetry among investors affects the cost of capital in excess of standard risk factors. When equity markets are perfectly competitive, information asymmetry has no separate effect on the cost of capital. When markets are imperfect, information asymmetry can...